Re: [PATCH] lockdep: Show up to three levels for a deadlock scenario

[Steven Rostedt]

On Tue, 19 Dec 2017 17:46:19 +0100
Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:


> It really isn't that hard, Its mostly a question of TL;DR.
> 
> #0 is useless and should be thrown out
> #1 shows where we take #1 while holding #0
> ..
> #n shows where we take #n while holding #n-1
> 
> And the bottom callstack shows where we take #0 while holding #n. Which
> gets you a nice circle in your graph, which spells deadlock.
> 
> Plenty people have shown they get this stuff.


Then I suggest that you can either take my patch to improve the
visual or remove the visual completely, as nobody cares about it.

-- Steve